Sap2000 Tutorial

Tutorial to SAP2000 Student Edition by Keith Kowalkowski for CE470, Design of Metal Structures September 15, 2005

FRAME AND LOADING CONDITIONS P

P

Frame Spacing = 35 ft

W W27 x 84

W10x49

W27 x 84

W10x49

35 ft = 420 in

Exterior Loads: Wind: Distributed Load:

W27 x 84

W10x49

35’ = 420 in

18’ W10x49 = 216”

35 ft = 420 in

P = 168.4 kips W = 8.19 kips wu = (1.2*0.233333 + 0.5*0.1166667) = 0.33833 kips/in

Step 1. Open Program • Diff Differ eren entt Ver Versi sion ons s of Sap2 Sap200 000 0 vary vary dif diffe fere rent ntly ly.. • On, On, ECN ECN com compu pute ters rs on th the e thi third rd floo floor. r. • Cl Clic ick k “Sta “Start rt-P -Pro rogr gram amss-CE CE Soft Softwa ware re-S -SAP AP20 2000 00 Nonlinear-SAP2000 Nonlinear”.

Step 2 Getting Started (Student Edition) • Click: “F “File-New” • 3-35’ spans = 105 ft • I cho choos ose e to to hav have e gri grid d mar marks ks in fe feet et an and d mak makin ing g eac each h 12 12 units to have units of inches

Step 2: Getting Started • Click on the xz tab on the top

Step 3. Define Materials and Sections • Click “D “Define-Materials” at th the to top • Cl Clic ick ko on n the the ma mate teri rial al “ste “steel el”. ”. It It sho shoul uld d be be lis liste ted d and and th then en click click on “Mod “Modify ify/Sh /Show” ow” Mat Materi erial al • Type Type in th the e fol follo lowi wing ng prop proper erti ties es fo forr ste steel el,, we we don don’t ’t wa want nt to consider dead load separately

Step 3. Define Materials and Sections • Click “D “Define-Sections” at th the to top. • Click to to: “A “Add I/ I/Wide Fl Flange”. • Give Give th the e sec secti tion on a nam name e and and inpu inputt the the prop proper erti ties es from from the AISC manual. • Ma Make ke sure sure th the e prop proper er mat mater eria iall is list listed ed (ST (STEE EEL) L).. • De Defi fine ne all all secti ectio ons fo forr th the e mod odel el

Step 4. Define Nodes and Elements • Clic Click k “D “Drawraw-Sp Spec ecia iall Joi Joint nt”. ”. This This is a node . • Add Add th the e no node des s to th the e ap appr prop opri riat ate e loca locati tion ons. s. • See below.

Step 4. Define Nodes and Elements • Clic Click k “Dra “Draww-Dr Draw aw Fram Frame e Elem Elemen ent” t”.. • In Inse sert rt th the e ele eleme ment nts s by by con conne nect ctin ing g the the no node des. s.

Step 5. Assigning Sections (For this model) • Clic Click k on on (hi (high ghliligh ght) t) th the e thr three ee be beam ams s • Cl Clic ick k “Ass “Assig ignn-Fr Fram amee-S Secti ection ons” s” • • • • •

Click on “W27x84” and “ok” Clic Cl ick k on on (hi (high ghliligh ght) t) th the e fou fourr col colum umns ns Clic Cl ick k “Ass “Assig ignn-Fr Fram amee-S Secti ection ons” s” Click on “W10x49” and “ok” You should see as below

Step 6. Define Restraints • Clic Click k on on tthe he tw two oe end nd no node des s on on tthe he bo bott ttom om (pin (pinne ned d nodes). Make sure they are highlighted. • Cl Clic ick k on on “Ass “Assiign gn-J -Joi oint nt-R -Res estr trai aint nts” s” • Cl Clic ick k on on the the seco second nd ta tab b so so the the th thre ree e tra trans nsla lati tion ons s are are highlighted. • Click “OK”

Step 6. Define Restraints • Clic Click k on on the the tw two o cen cente terr nod nodes es on th the e bot botto tom. m. Ma Make ke sure sure they are highlighted • Cl Clic ick k on on “Ass “Assig ignn-J Joint oint-R -Res estr trai aint nts s” • Cl Clic ick k on on the the fir first st ta tab b so all all tra trans nsla lati tion ons s and and rot rotat atio ions ns are are highlighted. • Click “OK”

Step 6. Define Restraints • You s sho hou uld see rest estraint aints sa as sb bel elow ow

Step 7. Assign Loads • Click on the top left node. • Cl Clic ick k on on “As “Assi sign gn-J -Joi oint nt St Stat atic ic Lo Load adss-Fo Forc rces es”” • Ente Enterr the the prop proper er load loads s as as sho show wn bel below ow.. • Click “OK”

Step 7. Assign Loads • Clic Click k on on the the to top p rig right ht no node de (mak (make e sur sure e it it is is tthe he only one clicked). • Cl Clic ick k on on “As “Assi sign gn-J -Joi oint nt St Stat atic ic Lo Load adss-Fo Forc rces es”” • Ente Enterr the the prop proper er load load as show shown n bel below ow.. • Click “OK”

Step 7. Assign Loads • Clic Click k on on all all fo four ur to top p bea beam m elem elemen ents ts.. • Cl Clic ick k on on “As “Assi sign gn-F -Fra rame me St Stat atic ic Lo Load adss-Po Poin intt and and Uniform” • Ente Enterr the the prop proper er load load as show shown n bel below ow.. • Click “OK”

Step 7. Assign Loads • You should see as below. • No Note te th they ey ma may y be be dif diffi ficu cult lt to see see on on you yourr pri print ntou out. t.

Step 8. Making Pin Connections • Clic Click k on on the the elem elemen ents ts you you wan wantt to to rel relea ease se (The (The tw two o end end columns or end beams will work, you want to make the connection pinned ). ). You will need to do this for truss members in roofs. • Cl Clic ick k on Assi Assign gn-F -Fra rame me-R -Rel elea ease ses. s. Re Rele leas ase e the the “Sta “Start rt nodes or End nodes as required”. It depends on which node you click first for the element.

Step 8. Making Pin Connections • You You sho shoul uld d see see as be belo low. w. Ho Howe weve ver, r, if you you mak make e a mistake you can always Click on “Edit-Undo”.

Step 9. Run analysis • Click “Analyze-Run” • You You sho shoul uld d get get a def defor orme med d sha shape pe th that at look looks s as as below. • You You wil willl be be ask asked ed to save save at th this is po poin intt

Step 10. Analysis Results • You have ave fou ourr tab abs s on th the e to top p as shown below. • The J st stan and ds for for Joint oint Rea eact ctiion ons s. • The F stan stand ds for for mem emb ber forc orces. es. This is where you will get the design axial forces, shears, and moments. For instance, click on Moment 3-3. • Click “OK”

Step 10. Analysis Results • You wil willl see see som somet ethi hing ng as be belo low w:

Step 10. Analysis Results • If you you rig right ht clic click ko on n the the ele eleme ment nt,, it it wil willl com compu pute te the forces on the beam • Units are in kip-in • This This is wh what at you you wil willl do do to to des desig ign n you yourr mem membe bers rs

Step 10. Analysis Results • If you you wan wantt dis displ plac acem emen ents ts at th the e nod nodes es an and d maximum element forces, click on “File-Print Output Tables” • Cl Clic ick k the the ap appr prop opri riat ate e box boxes es an and d cli click ck “OK” “OK”.. • The The file file wi willll be fou found nd as as ind indic icat ated ed in in the the text textbo box. x.